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| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 |
| Nitrites | $446,169 | $660,636 | $357,838 | $302,965 | $220,204 | $408,242 | $774,360 |
| Nitrates of potassium | $4,005,951 | $19,555,709 | $28,652,564 | $30,397,486 | $17,860,021 | $29,952,267 | $22,666,500 |
| Nitrates other than of potassium | $1,471,922 | $1,611,947 | $1,790,933 | $932,315 | $2,154,178 | $1,356,666 | $1,228,039 |
| Total | $5,924,042 | $21,828,292 | $30,801,335 | $31,632,766 | $20,234,403 | $31,717,175 | $24,668,899 |
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